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Missouri driving lesson · Rules of the Road

Emergency vehicles and the Move Over law

A 3-minute lesson from the Missouri course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.

Read time
3 minutes
Course unit
Rules of the Road
Checkpoint questions
5
Source pages
25, 100

When an emergency vehicle comes with a siren or air horn and red or blue flashing lights, get out of its way. Emergency and work vehicles parked along the road with lights on also get extra room under Missouri's Move Over law.

Know the rule

Yield to police, fire, ambulance or other emergency vehicles using a siren or air horn and a red or blue flashing light.

Handbook p. 25 ↗

Know the rule

When you see or hear one approaching from any direction, pull over to the right edge of the road (or as near as possible) and stay stopped until it passes.

Handbook p. 25 ↗

Know the rule

If you're in an intersection, drive through it before you pull over.

Handbook p. 25 ↗

Know the rule

Follow any instructions from the emergency vehicle's loudspeaker. Emergency vehicles may follow each other, so go only when the way is clear.

Handbook p. 25 ↗

Approaching a stationary emergency vehicle showing lighted red, or red and blue, lights:

  • On a road with 4+ lanes and 2+ lanes your way: if safe, move into a lane not next to the vehicle
  • If changing lanes is unsafe or impossible: slow down to a safe speed and proceed with caution
Handbook p. 25 ↗

Know the rule

Since August 28, 2017, the same Move Over rule also covers stationary vehicles showing amber, or amber and white, lights.

Handbook p. 100 ↗

Know the rule

Violating the Move Over law is a Class A misdemeanor.

Handbook p. 100 ↗

Know the rule

Driver inattention is the number-one contributing circumstance to traffic crashes in Missouri.

Handbook p. 100 ↗

Put it into practice

On a four-lane interstate, a tow truck sits on the shoulder with amber lights flashing. If the left lane is clear, move over into it. If traffic blocks you, slow down and pass with caution.

Check your understanding

Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.

What must you do when you see or hear an emergency vehicle with sirens and flashing lights approaching?
  1. Slow down and keep driving in your lane
  2. Pull over to the right edge of the road and stop
  3. Stop wherever you are immediately, even in an intersection
  4. Pull to whichever edge of the road is closer

Answer: Pull over to the right edge of the road and stop

Pull over to the right edge of the road, or as near right as possible, and remain stopped until the emergency vehicle passes.

Handbook p. 25 ↗
You are already inside an intersection when an emergency vehicle approaches. What should you do?
  1. Stop immediately in the intersection
  2. Pull to the right inside the intersection
  3. Drive through, then pull over
  4. Turn at the intersection to clear its path

Answer: Drive through, then pull over

If you are in an intersection when an emergency vehicle approaches, drive through the intersection before pulling over.

Handbook p. 25 ↗
On a road with at least four lanes (two your way), you approach a stationary emergency vehicle showing lighted red or red and blue lights. What should you do if safe?
  1. Stop in your lane until it leaves
  2. Keep your lane and maintain speed
  3. Move to a lane not next to it
  4. Pull onto the shoulder and stop

Answer: Move to a lane not next to it

On a roadway with at least four lanes, you should proceed with caution and move into a lane not adjacent to the stationary emergency vehicle if it is safe to do so.

Handbook p. 25 ↗
You must yield the right-of-way to police, fire, ambulance, or other emergency vehicles using a siren and a red or blue flashing light.
  1. True
  2. False

Answer: True

Drivers must yield the right-of-way to emergency vehicles using a siren or air horn and red or blue flashing lights.

Handbook p. 25 ↗
What is the primary contributing circumstance to traffic crashes in Missouri, according to the handbook's closing safety message?
  1. Driver inattention
  2. Poor road conditions
  3. Vehicle mechanical failure
  4. Weather conditions

Answer: Driver inattention

The number-one contributing circumstance to traffic crashes in Missouri is driver inattention.

Handbook p. 100 ↗
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